CAF to AC3 Converter
Convert CAF files to AC3 in seconds, right in your browser. Drop in one file or a whole folder, pick your quality settings and download - nothing is uploaded to a server.
Drop CAF files here
MP3, WAV, FLAC, M4A, OGG, OPUS, AAC, AIFF, WMA, AMR, MP4, MOV & more · Processed on your device - nothing is uploaded
How to convert CAF to AC3
- Click "Choose files" or drag your CAF files onto the page.
- Make sure "AC3" is selected as the output format (384 kbps is a good default).
- Optionally click Edit to trim, adjust volume or add effects.
- Click Convert, then Download your AC3 files.
Why convert CAF to AC3?
AC3 files are typically 5-10x smaller than CAF, making them ideal for phones, sharing and streaming.
AC3 is best for DVD authoring, home theatre and video production. DVD/Blu-ray players, AV receivers, smart TVs, VLC.
Will I lose quality?
AC3 is a lossy format, so some inaudible detail is removed to save space. At 384 kbps or higher most listeners cannot tell the difference from the original CAF.
CAF vs AC3
| CAF | AC3 | |
|---|---|---|
| Full name | Core Audio Format | Dolby Digital (AC-3) |
| Type | uncompressed | lossy |
| Best for | Xcode/iOS app sounds and very long Apple recordings | DVD authoring, home theatre and video production |
| Typical size | ~10 MB at 16-bit / 44.1 kHz per minute | ~2.9 MB at 384 kbps per minute |
| Compatibility | macOS, iOS, Logic Pro, Xcode. | DVD/Blu-ray players, AV receivers, smart TVs, VLC. |
| Developed by | Apple (2005) | Dolby Laboratories (1991) |
CAF to AC3: questions
How do I convert CAF to AC3?
Open this page, add your CAF file, make sure AC3 is selected as the output format and click Convert. Your AC3 file is ready to download in seconds.
Will converting CAF to AC3 lose quality?
AC3 is a lossy format, so some inaudible detail is removed to save space. At 384 kbps or higher most listeners cannot tell the difference from the original CAF.
Is this CAF to AC3 converter free and safe?
Yes. It's free with no watermark or sign-up. Files are processed locally in your browser, so your audio is never uploaded or stored on our servers.
Can I convert many CAF files to AC3 at once?
Yes - add up to 5 files at a time on the free plan (unlimited with Pro), convert them all with one click and download them as a ZIP.
What is the difference between CAF and AC3?
CAF (Core Audio Format) is a uncompressed format, apple's modern container for long recordings with no 4 GB file size limit. AC3 (Dolby Digital (AC-3)) is a compressed (lossy) format: dolby Digital surround-sound audio used on DVDs, Blu-rays and TV broadcasts.
Does it work on Mac, Windows, iPhone and Android?
Yes. The CAF to AC3 converter runs in any modern browser - Chrome, Safari, Edge or Firefox - on desktop and mobile. No software to install.